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Pressing the sign button means different things at different times:
it starts entry of a negative number. When you intend to enter a negative number, press - first.
it steps through 4-way signs. Some K150X values can be positive (+), negative (-), starting positive (±), or
starting negative (-/+). Pressing - steps through these 4 values.
it answers "no" to K150X questions. ("No" is printed above the button.)
Left, Center, and Right
The words "LEFT, "CENTER", and "RIGHT" appear above the 1, 2, and 3 keys. These meanings are significant only in the
Region Editor. They allow you to quickly select which region of the keyboard you want to edit.
The Display
The K150X communicates back to you visually using the display, which is capable of displaying up to 16 alphabetic and/or
numeric characters. The display gives you the information concisely, using abbreviations and information Fields to show
you what's happening. The location of a number or abbreviation within the display is important. It can be divided
approximately into 5 fields, as shown in Figure 2-2.
When you're using the Program, Region, or Layer Editors, the number of that program, region, or layer appears in Field 1.
Outside of these editors, Field 2 usually moves over into this field.
The name, or an abbreviation for the name of the parameter being edited appears in Field 2.
When applicable, the sign of the value in Field 4 appears in Field 3. This can be , , and sometimes or -/+.
The value for the parameter in Field 2 appears in Field 4.
An abbreviation for the units of the value in Field 4, when applicable, appear in Field 5. Table 2-3 shows the abbreviations
the K150X uses in Field 5 and their meanings:
Abbreviation
C
ST
dB
ms
Hz
kHz
For example, consider the following displays:
1
Figure 2-2. Fields of the K150X Display
Units in the K150X Display
Unit
cents
semitone
decibels
milliseconds
Hertz
kiloHertz
2
3
Table 2-3
Meaning
1 cent = 1/100 of a semitone
1/2 of a whole tone (50 cents)
a measurement of loudness
1 millisecond = 1/1000 of a second
cycles per second - frequency
Hertz x 1000
2-3
4
5
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